Secondary prefabricated cabin type transformer substation

The utility model belongs to the related technical field of prefabricated cabin type transformer substations, and discloses a secondary prefabricated cabin type transformer substation which comprises a left cabin and a right cabin, the outer end of the left cabin abuts against the right cabin, the outer end of the left cabin is fixedly connected with three connecting blocks, and the outer end of the right cabin is provided with connecting grooves matched with the outer ends of the connecting blocks. A connecting block is arranged on the connecting frame, a fixing mechanism is arranged at the outer end of the connecting block, an auxiliary fixing rod is rotatably connected to the outer end of the connecting block, a magnetic block is fixedly connected to one end of the auxiliary fixing rod, and a magnetic groove matched with the outer end of the magnetic block is formed in the outer end of the connecting block. And the connecting block at one end of the left cabin is connected with the connecting groove in the